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03-06-2015, 07:04 PM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Rustville USA or southeast Ia
Posts: 654
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4x4 rear axle in 2wd?
I found a good deal on a 3.73 posi rear end out of a 1980 1/2 ton I really want that rear gear set in my 1984 1/2 ton I know the 4x4 is 6 lug instead of a 5 lug. Is there an easy way to make 4x4 axle 5 lug? Or could I just take the gear set from the 4x4 diff and put it in my 2wd housing?
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Rust is better than rice. 
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03-06-2015, 07:12 PM
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#2 |
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Registered User
Join Date: Dec 2007
Location: Kimberley, BC, Canada
Posts: 799
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Re: 4x4 rear axle in 2wd?
With those years, I'm thinking both axles are 10 bolts, correct? Round diff cover?
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Greg 64 GMC Suburban - 283, NV3500, 14 bolt 77 C10 swb - 292, SM465, 12 bolt |
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03-06-2015, 07:22 PM
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#3 |
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Registered User
Join Date: Nov 2010
Location: Rustville USA or southeast Ia
Posts: 654
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Re: 4x4 rear axle in 2wd?
mine is not sure on the 4x4 one.
__________________
Rust is better than rice.
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03-06-2015, 09:20 PM
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#4 |
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Senior Member
 
Join Date: Jun 2009
Location: Phoenix AZ
Posts: 4,557
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Re: 4x4 rear axle in 2wd?
If they are both 12 bolts you can just switch the axles. If they are 10 bolts it is the same deal. If one is a 12 bolt and one is a 10 bolt you are out of luck
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AZPartsLocators on Instagram 1972 Cheyenne Super Short Bed big block "Blackie" 1977 Crew Cab GMC Short bed with 4BT Intercooled Cummins Diesel and a 4L80e "The Junkyard Dog" 1985 Crew Cab Chevy dually with 5.9 Cummins "The Big Dog" This is what my dad liked to be called by the grandkids before he passed so it seems fitting for his old truck. |
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